Two Styrofoam peanuts each acquire the same charge. If they experience a force of repulsion of 2.4x10-3 N when separated by 4 µm, how many extra electrons does each peanut have?

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."

For which pair of objects would adding the same a